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An analytical solution to the stress fields of kinked cracks 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021, 卷号: 156, 页码: 18
Authors:  Liu ZE(刘卓尔);  Wei YJ(魏宇杰)
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Kinked cracks  Stress fields  Stress intensity factors  Crack deflection  Fracture mechanics  
Fatigue endurance limit and crack front evolution in metallic glass 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2021, 卷号: 143, 页码: 9
Authors:  Lei XQ(雷现奇);  袁力超o;  Peng, Liu;  Sun CQ(孙成奇);  Wei BC(魏炳忱);  Wei YJ(魏宇杰)
Adobe PDF(9123Kb)  |  Favorite  |  View/Download：373/60  |  Submit date：2021/03/03
Fatigue endurance limit  Ultra-high cycle fatigue  Metallic glasses  Elliptical crack front  Stress intensity factor  
The influence of combined gradient structure with residual stress on crack-growth behavior in medium carbon steel 期刊论文
ENGINEERING FRACTURE MECHANICS, 2019, 卷号: 209, 页码: 369-381
Authors:  Wang Y(王瑶);  Yuan LC;  Zhang SJ(张诗嘉);  Sun CQ(孙成奇);  Wang WJ;  Yang GX;  Li Q;  Wei YJ(魏宇杰)
View  |  Adobe PDF(2613Kb)  |  Favorite  |  View/Download：420/164  |  Submit date：2019/04/11
Gradient material  Residual stress  Fatigue crack  Cyclic J-integral  Crack- growth rate  
Metal ductility evaluation by flattening test: The geometry dependence 期刊论文
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING, 2019, 卷号: 170, 页码: 40-48
Authors:  Wang Y;  Yang GX;  Lei XQ(雷现奇);  Li Q;  Rong LJ;  Hu XF;  Wei YJ(魏宇杰)
View  |  Adobe PDF(2257Kb)  |  Favorite  |  View/Download：475/128  |  Submit date：2019/04/11
Flattening test  Plastic deformability  Gerson-Tvergaard-Needleman model  Failure  Finite element analysis  
Optimal stress and deformation partition in gradient materials for better strength and tensile ductility: A numerical investigation 期刊论文
SCIENTIFIC REPORTS, 2017, 卷号: 7
Authors:  Wang, Yao;  Yang, Guangxue;  Wang, Wenjing;  Wang, Xi;  Li, Qiang;  Wei YJ(魏宇杰);  Li, Q (reprint author), Beijing Jiaotong Univ, Minist Educ, Key Lab Vehicle Adv Mfg Measuring & Control Techn, Beijing 100044, Peoples R China.;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
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Geometric design of micron-sized crystalline silicon anodes through in situ observation of deformation and fracture behaviors 期刊论文
JOURNAL OF MATERIALS CHEMISTRY A, 2017, 卷号: 5, 期号: 25, 页码: 12793-12802
Authors:  Zhang Xing-yu;  Song WL;  Liu ZL;  Chen HS;  Li T;  Wei YJ(魏宇杰);  Fang DN;  Fang, DN (reprint author), Peking Univ, Coll Engn, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China.
View  |  Adobe PDF(1944Kb)  |  Favorite  |  View/Download：402/172  |  Submit date：2017/08/15
Crack deflection in brittle media with heterogeneous interfaces and its application in shale fracking 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2017, 卷号: 101, 页码: 235-249
Authors:  Zeng XG;  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
View  |  Adobe PDF(1711Kb)  |  Favorite  |  View/Download：446/181  |  Submit date：2017/07/24
Brittle Materials  Shale Hydraulic Fracturing  Crack Deflection  Strain Energy Release Rate  Heterogeneous Interfaces  
Crack instability of ferroelectric solids under alternative electric loading 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2015, 卷号: 81, 页码: 75-90
Authors:  Chen HS;  Wang HL;  Pei YM;  Wei YJ(魏宇杰);  Liu B;  Fang DN;  Liu, B (reprint author), Tsinghua Univ, Dept Engn Mech, Beijing 100084, Peoples R China.
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Electro-thermal-mechanical Coupling  Crack Instability  Ferroelectric Materials  Safe Operating Area  
Notch strengthening or weakening governed by transition of shear failure to normal mode fracture 期刊论文
SCIENTIFIC REPORTS, 2015, 卷号: 5, 页码: 10537
Authors:  Lei, XQ;  Li, CL;  Shi XH(施兴华);  Xu XH(许向红);  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
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A polycrystal based numerical investigation on the temperature dependence of slip resistance and texture evolution in magnesium alloy AZ31B 期刊论文
International Journal of Plasticity, 2014, 卷号: 55, 页码: 80-93
Authors:  Liu Y(刘垚);  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Adobe PDF(4093Kb)  |  Favorite  |  View/Download：691/295  |  Submit date：2014/05/09
Cell Membrane  Nanotubes  Cell Interaction  Microtubule  Filopodia  Molecular Dynamics